IfcAxis2Placement3D of the wall's placement.
The current Axis representation, when the wall has one (it is replaced, else a new one is appended).
Extrusion depth in metres, NaN when the slot is not a number.
The Location, in the file's native unit.
IfcCartesianPoint of the placement's Location.
Plan point (metres) of the wall's placement origin; the placement's +X runs along the axis.
PlacementRelTo of the wall's placement: two walls join only in the same frame.
The body is the plain rectangle addWallToStore writes without cuts,
offset or axis alignment: the four coupled entities (placement, direction,
XDim, profile origin) describe the wall completely.
IfcProductDefinitionShape of the wall.
The profile the solid sweeps now.
IfcDirection of the placement's RefDirection.
Its current Representations, in order.
IfcExtrudedAreaSolid of the Body; its SweptArea is replaced.
The wall's current plan shape, metres.
A wall as the join tools see it, with the ids and native-unit values a re-shape writes.